Properties of the Number 45431

Forty-Five Thousand Four Hundred Thirty-One

Basics

Value: 45430 → 45431 → 45432

Parity: odd

Prime: No

Previous Prime: 45427

Next Prime: 45433

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 181 × 251

Divisors: 1, 181, 251, 45431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000101110111

Octal: 130567

Duodecimal: 2235B

Hexadecimal: b177

Square: 2063975761

Square Root: 213.14549021736303

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of n-digit decimal numbers containing a fixed 2-digit integer with distinct digits as a substring. A322628

4-dimensional centered tetrahedral numbers. A8498

Number of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of nine. A320983

a(n) = (n+1)³ - n². A261893

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-0111-0010 pattern in any orientation. A146456

Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1100-0111-0010 pattern in any orientation. A146458

Primes congruent to {1, 3, 4} mod 7. A45431

a(n) = floor(n/10) + (5 times last digit of n). A336483